1890. | 
RAFTER AND 
MALLORY—ENDEMIC OF TYPHOID FEVER. 
Ffes 
Professor Lattimore’s chemical analyses are given in the following 
table : 
Nov. 30TH, 1889. 
ANALYSES OF WELL WATERS FROM SPRINGWATER, N. Y., BY PROF. S. A. 
LATTIMORE. RESULTS IN PARTS PER 100,000. 
= 
5 5 8 
| > = > cs 
= | = aS v 2 sem) 
Oru 2 o 4 eB cba l=! © go — 
Eau (a (ie Py amy a Pre =o @ 
DESIGNATION OF WELL. Bead aster “a Mo ge] 2 
Sue vis eB v: eaves oe a 
oF S n ) fa aise = 5 
Sn 4 oe gE - BUS > sS 
= ae}, 3 o 2 LS i) = 
= S = a = S QA S 
Identification marks AA | BB CC 2D DO EE FF GG | HH 
| | 
Total solids - - 44,0 | 35.2 | 72.0 | 88.0 | 25.2 | 14.0 | 30.0 | 69.2 
Loss on ignition - =e d-20:0) ||, 04.0 | |-40.08 || 3250" 4/5120 4.0 | 12.0 | 20.0 
Fixed residue - - BALOW | i249), 32.0) 05 6,01 Miata) I 1OLOn LT S.0,0|' 49-2 
Sodium chloride - - | 10.19] 6.81 | 2.49 | 15.77 | 0.66 | 0.66] 3.49 | 26.56 
Free ammonia - - @:02) || 50:02"}) 10,03)". 0:02) ||) O:08 |) 0:01) |) 4.0.01 |) 0.01 
Albuminoid ammonia - 0.02 | 0.02 | 0.025] ©.01§] 0.01 | O.o1 | 0.01 | O.O1 
Nitrites - - - none. | none. trace. | none. | none. | none. | none. | none 
Nitrates E - | trace. | trace. | trace. | none. | trace. | trace. | trace. | none. 
Dr. Ernst was requested to have chemical analysis made of certain 
This was done by Dr. Charles Har- 
of the samples forwarded to him. 
rington, of the Harvard Medical School, and the results are given in 
the following table: 
ANALYSIS OF WATERS 
Nov. roTH, 1889. 
FROM ROCHESTER, N. Y., BY DR. CHARLES HAR- 
RINGTON. RESULTS IN PARTS PER 100.000. 
cs) D 5 
~ pas — 'o 
fe! = Gre “esa. —~sa. 
= 15, =F S 8 5.s 
a = ac sx 2 Bie a 8 
Oise | Os oD ov 5 oF Aa 
<G Sieh nae sw ® 
ye : See Seee iS 8 va {gO ee 
DESIGNATION OF WATER. mad erie 2a ye Sets 
Try = wasn " & 50 Yo =O 
eae a ee gn Re ake 
Es Lo ce seen BES BGs 
ae NF em rene oc Ss vox 
3) | 53 anita meSA 
| 
Identification number — - (3) (1.1) (15) (16) 
Free ammonia -_.- E 0.0003 0.0014 0.0 0.0006 
Albuminoid ammonia - 0.0024 0.0046 0.0106 0.0098 
Chlorine - 5 = =i 0.35 0.37 0,36 0.32 
Fixed residue - = 9.00 9.70 4.80 5-30 
Violatile residue - i 4.10 4.20 2.90 3.80 
Total residue - - 13.10 13.90 770 g.10 
Nitrates - - - = absent. absent. absent. absent. 
